37 #define vhost_avail_event(vq) ((__virtio16 __user *)&vq->used->ring[vq->num])
183 	vq->used = NULL;  in vhost_vq_reset()
552 			struct vring_used __user *used)  in vq_access_ok()  argument
558 	       access_ok(VERIFY_WRITE, used,  in vq_access_ok()
559 			sizeof *used + num * sizeof *used->ring + s);  in vq_access_ok()
580 					sizeof *vq->used +  in vq_log_access_ok()
581 					vq->num * sizeof *vq->used->ring + s));  in vq_log_access_ok()
588 	return vq_access_ok(vq, vq->num, vq->desc, vq->avail, vq->used) &&  in vhost_vq_access_ok()
719 		BUILD_BUG_ON(__alignof__ *vq->used > VRING_USED_ALIGN_SIZE);  in vhost_vring_ioctl()
742 					   sizeof *vq->used +  in vhost_vring_ioctl()
743 					   vq->num * sizeof *vq->used->ring)) {  in vhost_vring_ioctl()
753 		vq->used = (void __user *)(unsigned long)a.used_user_addr;  in vhost_vring_ioctl()
1008 	void __user *used;  in vhost_update_used_flags()  local
1009 	if (__put_user(cpu_to_vhost16(vq, vq->used_flags), &vq->used->flags) < 0)  in vhost_update_used_flags()
1015 		used = &vq->used->flags;  in vhost_update_used_flags()
1017 			  (used - (void __user *)vq->used),  in vhost_update_used_flags()
1018 			  sizeof vq->used->flags);  in vhost_update_used_flags()
1030 		void __user *used;  in vhost_update_avail_event()  local
1034 		used = vhost_avail_event(vq);  in vhost_update_avail_event()
1036 			  (used - (void __user *)vq->used),  in vhost_update_avail_event()
1055 	if (!access_ok(VERIFY_READ, &vq->used->idx, sizeof vq->used->idx))  in vhost_init_used()
1057 	r = __get_user(last_used_idx, &vq->used->idx);  in vhost_init_used()
1373 	struct vring_used_elem __user *used;  in __vhost_add_used_n()  local
1378 	used = vq->used->ring + start;  in __vhost_add_used_n()
1380 		if (__put_user(heads[0].id, &used->id)) {  in __vhost_add_used_n()
1384 		if (__put_user(heads[0].len, &used->len)) {  in __vhost_add_used_n()
1388 	} else if (__copy_to_user(used, heads, count * sizeof *used)) {  in __vhost_add_used_n()
1398 			   ((void __user *)used - (void __user *)vq->used),  in __vhost_add_used_n()
1399 			  count * sizeof *used);  in __vhost_add_used_n()
1432 	if (__put_user(cpu_to_vhost16(vq, vq->last_used_idx), &vq->used->idx)) {  in vhost_add_used_n()
1440 			  sizeof vq->used->idx);  in vhost_add_used_n()
1527 			       &vq->used->flags, r);  in vhost_enable_notify()
1564 			       &vq->used->flags, r);  in vhost_disable_notify()